“高效课堂”就是用尽可能少的时间获取最大教学效益的教学活动。课堂教学中,所有学生并不是在同一认知水平上,有经验的教师会照顾到,一次成功,这就是效率。而有的教师反复讲,这不能理解为诲人不倦,百讲不厌,而只能说明教师的水平问题。因此,初中化学的高效课堂研究,既要研究教师如何教,又要研究学生如何学,二者有机结合,才能出高效。 “Efficient classroom ” is to use as little time as possible to maximize teaching effectiveness of teaching activities. Classroom teaching, all students are not in the same level of cognition, experienced teachers will take care of, a success, this is efficiency. However, some teachers repeatedly say that this can not be understood as being tireless, but never exhausted, and only shows the level of teachers. Therefore, junior high school chemistry efficient classroom research, it is necessary to study how teachers teach, but also to study how students learn, the two can be organically combined to be efficient.